Hello, I am trying to create new application from Central Administrator. It doesnt create application, It gives me error like below.... Filename: \\?\C:\inetpub\wwwroot\wss\VirtualDirectories\40068\web.config Line number: 25 Error: There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined Correlation ID: af3d8a79-1a37-461f-8896-8e00e56cd953 Date and Time: 4/16/2011 10:13:11 AM if i delete all this line fron web.config it gives me error like Could not find permission set named 'ASP.Net'. It was working before some days ago.. please help me out, what steps to be taken.... I am using Sharepoint 2010 windows server 2008 R2 - 64 bit Regards,